Clinton looks for ways to ruffle Trump face to face

She prepares relentlessly for debate, while he says he can ‘handle Hillary’

BY PATRICK HEALY AND MATT FLEGENHEIMERFRONT PAGE

Hillary Clinton’s advisers are talking to Donald J. Trump’s ghostwriter of ‘‘The Art of the Deal,’’ seeking insights about Mr. Trump’s deepest insecurities as they devise strategies to needle and undermine him in four weeks at the first presidential...